CVEvulnerability
CVE-2021-20600
5.9 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-10-08
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 7.1 HIGH — AV:N/AC:M/Au:N/C:N/I:N/A:C
- Weaknesses
- CWE-400
Description
Uncontrolled resource consumption in Mitsubishi Electric MELSEC iQ-R series C Controller Module R12CCPU-V Firmware Versions "16" and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition by sending a large number of packets in a short time while the module starting up. System reset is required for recovery.
Affected configurations
• mitsubishielectric r12ccpu-v firmware (<= 16)
Related
Weakness · CWE (1)
- CWE-400 Uncontrolled Resource Consumption weakness
References
- https://jvn.jp/vu/JVNVU94914666/index.html Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04 Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf Vendor Advisory
- https://jvn.jp/vu/JVNVU94914666/index.html Third Party Advisory
- https://us-cert.cisa.gov/ics/advisories/icsa-21-280-04 Third Party Advisory, US Government Resource
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-015_en.pdf Vendor Advisory